I2c lcd driver, I2C Bus, I2C pins, what are I2C devices, i2c high speed mode, - tatanh1983/conchodom GitHub Wiki
PCA9555 Series 5.5V 160 mA 400 kHz SMT 16-bit I2C-bus and SMBus I/O Port-SSOP-24 https://www.futureelectronics.com/p/semiconductors--comm-products--i2c/pca9555db-118-nxp-2621977